Quarter	US Dollars, monthly level
1996-01-01	-135396290.00000000
1996-04-01	30038419.00000000
1996-07-01	-997944574.00000000
1996-10-01	-1366627752.00000000
1997-01-01	322803468.00000000
1997-04-01	-239855683.00000000
1997-07-01	-1287768373.00000000
1997-10-01	-1725119750.00000000
1998-01-01	-913375212.00000000
1998-04-01	-852695566.00000000
1998-07-01	-1322844373.00000000
1998-10-01	-440704638.00000000
1999-01-01	519956946.99999994
1999-04-01	380324779.00000000
1999-07-01	-85834628.00000000
1999-10-01	385645335.00000000
2000-01-01	714923632.00000000
2000-04-01	-55819726.00000000
2000-07-01	-79937648.00000000
2000-10-01	165626908.00000000
2001-01-01	294005969.00000000
2001-04-01	330859026.00000000
2001-07-01	-471552117.00000000
2001-10-01	319360691.00000000
2002-01-01	626983245.00000000
2002-04-01	472844384.00000000
2002-07-01	-439042039.00000000
2002-10-01	372975974.00000000
2003-01-01	984204219.00000000
2003-04-01	850069730.00000000
2003-07-01	652236113.00000000
2003-10-01	1296500677.00000000
2004-01-01	2710852080.00000000
2004-04-01	2682439662.00000000
2004-07-01	2309061049.00000000
2004-10-01	2458879297.00000000
2005-01-01	2710269848.00000000
2005-04-01	2888752948.00000000
2005-07-01	2100340903.00000020
2005-10-01	3601055978.00000000
2006-01-01	5523447216.00000000
2006-04-01	7127148773.00000000
2006-07-01	5349279701.00000000
2006-10-01	4897290414.00000000
2007-01-01	7245553040.00000000
2007-04-01	7948115657.00000000
2007-07-01	4787805014.00000000
2007-10-01	4101629178.99999950
2008-01-01	6095475927.00000000
2008-04-01	2816661927.00000000
2008-07-01	-1464263168.00000000
2008-10-01	-1393181206.00000000
2009-01-01	2532821256.00000000
2009-04-01	4118994630.00000050
2009-07-01	3590424587.00000000
2009-10-01	5078572531.00000000
2010-01-01	3850185525.00000000
2010-04-01	3370576741.00000000
2010-07-01	3758277953.00000000
2010-10-01	4913462903.00000000
2011-01-01	4207161292.00000050
2011-04-01	3902110340.00000000
2011-07-01	345870261.00000000
2011-10-01	2317170685.00000000
2012-01-01	2680671047.00000000
2012-04-01	1695582945.00000000
2012-07-01	-2068560891.00000020
2012-10-01	300664092.00000000
2013-01-01	460970234.00000000
2013-04-01	1287295412.00000000
2013-07-01	-422117146.00000000
2013-10-01	689286853.00000000
2014-01-01	1839894951.00000000
2014-04-01	2745625735.00000000
2014-07-01	725031041.00000000
2014-10-01	1155296662.00000000
2015-01-01	2426542842.00000000
2015-04-01	2336991064.00000000
2015-07-01	-1154273449.00000000
2015-10-01	-183136015.00000000
2016-01-01	2154066555.00000000
2016-04-01	1762023402.00000000
2016-07-01	-63429849.99999999
2016-10-01	1587580221.00000000
2017-01-01	1103042795.00000000
2017-04-01	1954252738.00000000
2017-07-01	2190990087.00000000
2017-10-01	2673928683.00000000
2018-01-01	3254335035.00000000
2018-04-01	1870862043.00000000
2018-07-01	-48442312.00000000